CA1012868A - Magnetic device having a magneto-optical medium and method of manufacturing same - Google Patents

Magnetic device having a magneto-optical medium and method of manufacturing same

Info

Publication number
CA1012868A
CA1012868A CA182,662A CA182662A CA1012868A CA 1012868 A CA1012868 A CA 1012868A CA 182662 A CA182662 A CA 182662A CA 1012868 A CA1012868 A CA 1012868A
Authority
CA
Canada
Prior art keywords
magneto
optical medium
magnetic device
manufacturing same
manufacturing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA182,662A
Other languages
English (en)
Other versions
CA182662S (en
Inventor
Piet F. Bongers
Stefan Wittekoek
John M. Robertson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from NL7213623A external-priority patent/NL7213623A/xx
Priority claimed from NL7305806A external-priority patent/NL7305806A/xx
Priority claimed from NL7312423A external-priority patent/NL7312423A/xx
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of CA1012868A publication Critical patent/CA1012868A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F10/00—Thin magnetic films, e.g. of one-domain structure
    • H01F10/08—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers
    • H01F10/10—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition
    • H01F10/18—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition being compounds
    • H01F10/20—Ferrites
    • H01F10/24—Garnets
    • H01F10/245—Modifications for enhancing interaction with electromagnetic wave energy
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/26—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on ferrites
    • C04B35/2675—Other ferrites containing rare earth metals, e.g. rare earth ferrite garnets
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B19/00—Liquid-phase epitaxial-layer growth
    • C30B19/02—Liquid-phase epitaxial-layer growth using molten solvents, e.g. flux
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
    • C30B29/10—Inorganic compounds or compositions
    • C30B29/16—Oxides
    • C30B29/22—Complex oxides
    • C30B29/28—Complex oxides with formula A3Me5O12 wherein A is a rare earth metal and Me is Fe, Ga, Sc, Cr, Co or Al, e.g. garnets
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/0009—Materials therefor
    • G02F1/0036—Magneto-optical materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Nonlinear Science (AREA)
  • Ceramic Engineering (AREA)
  • Structural Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Inorganic Chemistry (AREA)
  • Power Engineering (AREA)
  • Electromagnetism (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Thin Magnetic Films (AREA)
CA182,662A 1972-10-07 1973-10-04 Magnetic device having a magneto-optical medium and method of manufacturing same Expired CA1012868A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NL7213623A NL7213623A (en) 1972-10-07 1972-10-07 Magneto-optical rare earth metal-iron garnet - produced as thin epitaxial layer with addn of bismuth and opt. lead or barium ions
NL7305806A NL7305806A (en) 1973-04-26 1973-04-26 Magneto-optical rare earth metal-iron garnet - produced as thin epitaxial layer with addn of bismuth and opt. lead or barium ions
NL7312423A NL7312423A (en) 1973-09-10 1973-09-10 Magneto-optical rare earth metal-iron garnet - produced as thin epitaxial layer with addn of bismuth and opt. lead or barium ions

Publications (1)

Publication Number Publication Date
CA1012868A true CA1012868A (en) 1977-06-28

Family

ID=27351816

Family Applications (1)

Application Number Title Priority Date Filing Date
CA182,662A Expired CA1012868A (en) 1972-10-07 1973-10-04 Magnetic device having a magneto-optical medium and method of manufacturing same

Country Status (5)

Country Link
JP (1) JPS545517B2 (de)
CA (1) CA1012868A (de)
DE (1) DE2349348C2 (de)
FR (1) FR2202347B1 (de)
GB (1) GB1439346A (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7606482A (nl) * 1976-06-16 1977-12-20 Philips Nv Eenkristzl van calcium-gallium-germanium granaat, alsmede substraat vervaardigd van een dergelijk eenkristzl met een epitaxiaal opgegroeide beldo- meinfilm.
JPS5467699A (en) * 1977-11-07 1979-05-31 Fujitsu Ltd Method of producing garnet monocrystal membrane for magnetic bubble element
JPS58139082A (ja) * 1982-02-15 1983-08-18 Hitachi Ltd 磁界測定装置
JPS623022A (ja) * 1985-06-27 1987-01-09 Nec Corp 磁気光学ガ−ネツト
DE3607345A1 (de) * 1986-03-06 1987-09-10 Philips Patentverwaltung Magneto-optisches lichtschaltelement und verfahren zu seiner herstellung

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3281363A (en) * 1963-07-10 1966-10-25 Bell Telephone Labor Inc Bismuth-containing garnets and their preparation
US3637289A (en) * 1969-03-07 1972-01-25 Bell Telephone Labor Inc Devices based on induced dichroism
US3607390A (en) * 1969-09-29 1971-09-21 Ibm Single crystal ferrimagnetic films
US3654162A (en) * 1970-10-01 1972-04-04 Gte Laboratories Inc Ferrimagnetic iron garnet having large faraday effect
IT951700B (it) * 1970-11-16 1973-07-10 Western Electric Co Dispositivo magnetico utilizzante materiali epitassiali di granato e procedimento per la sua fabbrica zione

Also Published As

Publication number Publication date
FR2202347B1 (de) 1979-06-01
FR2202347A1 (de) 1974-05-03
DE2349348A1 (de) 1974-04-11
GB1439346A (en) 1976-06-16
JPS545517B2 (de) 1979-03-17
JPS4993899A (de) 1974-09-06
DE2349348C2 (de) 1983-02-10

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